A host of big names have been added to this year's Optimus Alive festival, including Vampire Weekend.

Joining VW will be AlunaGeorge, Jessie Ware, Jamie Lidell, Icona Pop, Disclosure and Gold Panda, Death From Above 1979, Japandroids and Crystal Castles. They'll join the likes of Depeche Mode, Kings Of Leon and Green Day.

The festival takes place in Oeiras, between the 12th and 14th July. For more information, and to purchase tickets, head to the official site.